Just to quantify there are 2800 hits for “pico de gallo” in the .mx domain, referring mostly to a kind of fruit salad, and 2000 in the .co.uk domain; by comparison there are 263,000 hits for “chile en escabeche” in .mx and precisely 1 in .co.uk. “Pico de gallo” is a bit of a gringo shibboleth, not sure why. Anyway it is good to see attention to the severe mexican food shortages in the mission, tacos are not personally where I would put the emphasis (you can kind of get them in spots), but we are really lacking in the following categories, where the percentages are market share/availability: